[U-Boot] [PATCH v2 5/8] sf: winbond: Update the names for W25Q 0x40XX ID's flash parts

MCHEN4 at winbond.com MCHEN4 at winbond.com
Tue Jun 4 19:19:24 CEST 2013


Jagan,

So far, our major customer request is to have the same ID for backward compatibility. Therefore the IDs are the same for W25Q16C and W25Q16D. As for the 2.5V parts (W25Q80BL/W25Q16CL), they are the same die as the 3V (W25Q80BV/W25Q16CV), so the IDs are the same as well.

The differences between the pairs are not that significant. We consider them as drop-in compatible.

Best Regards,
Mike Chen

Technical Marketing
Winbond Electronics Corp. America
(408)544-2667

-----Original Message-----
From: US30 Syed Hussain
Sent: Tuesday, June 04, 2013 10:12 AM
To: Jagan Teki; US20 Hui (Mike) Chen
Cc: u-boot at lists.denx.de; Michal Simek; Tom Rini; Simon Glass; Jagannadha Sutradharudu Teki
Subject: RE: [PATCH v2 5/8] sf: winbond: Update the names for W25Q 0x40XX ID's flash parts

Copying Mike, Technical Marketing Director

-----Original Message-----
From: Jagan Teki [mailto:jagannadh.teki at gmail.com]
Sent: Monday, June 03, 2013 11:03 PM
To: US30 Syed Hussain
Cc: u-boot at lists.denx.de; Michal Simek; Tom Rini; Simon Glass; Jagannadha Sutradharudu Teki
Subject: Re: [PATCH v2 5/8] sf: winbond: Update the names for W25Q 0x40XX ID's flash parts

Hi Syed,

On Mon, Jun 3, 2013 at 12:53 AM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> Hi,
>
> On Thu, May 30, 2013 at 7:19 PM, Jagannadha Sutradharudu Teki
> <jagannadha.sutradharudu-teki at xilinx.com> wrote:
>> Use the exact names for W25Q 0x40XX ID's flash parts, as the same
>> sizes of flashes comes with different ID's. so-that the distinguishes
>> becomes easy with this change.
>>
>> Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
>> ---
>> Changes for v2:
>>         - none
>>
>>  drivers/mtd/spi/winbond.c | 10 +++++-----
>>  1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
>> index 8457808..3c0ca88 100644
>> --- a/drivers/mtd/spi/winbond.c
>> +++ b/drivers/mtd/spi/winbond.c
>> @@ -55,27 +55,27 @@ static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
>>         {
>>                 .id                     = 0x4014,
>>                 .nr_blocks              = 16,
>> -               .name                   = "W25Q80BL",
>> +               .name                   = "W25Q80BL/W25Q80BV",
>>         },
>>         {
>>                 .id                     = 0x4015,
>>                 .nr_blocks              = 32,
>> -               .name                   = "W25Q16",
>> +               .name                   = "W25Q16CL/W25Q16DV",
>
> The id codes were same for these two parts, I think there is no way to
> detect the separately.
> Any idea?

Any comments on this.

--
Thanks,
Jagan.

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